[单项选择]The two astronauts have splashed down in the Pacific Ocean, only five miles from the aircraft carrier that was______ for the recovery mission.
A. detach
B. dispatched
C. devote
D. dismantled

[单项选择]The two astronauts have splashed down in the Pacific Ocean, only five miles from the aircraft carrier that was______ for the recovery mission.
A. detach
B. dispatched
C. devote
D. dismantled

[单项选择]The three astronauts have splashed down in the Pacific Ocean, only six miles from the aircraft carrier that was ______ for the recovery mission.
A. dispatched
B. deposited
C. deployed
D. delivered

[单项选择]What have the two French geophysicists discovered in their research

[单项选择]

Futurists have identified two changes that seem to be central to contemporary social life. First, the United States is being restructured from an industrial to an information society. Second, modem societies are increasingly shifting from a national to a global economy. Futurists have applied a good many metaphors to these changes, including Daniel Bell’s "postindustrial society," Alvin Toffler’s "the third wave" and John Naisbitt’s "megatrends". Common to these metaphors is the notion that American society is shifting from the production of goods to the production of services and from society based on the coordination of people and machines to a society organized around knowledge. These changes, it is contended, will afford a great variety of choices. The world will increasingly be one of many flavors, not just vanilla or chocolate.
Many observers of contemporary American life believe that we are witnessing a historical cha
A. more intolerable.
B. larger.
C. more varied.
D. a pleasanter place.

[单项选择]How many planets orbiting other stars have the two scientists discovered so far
A. 100.
B. 69.
C. 66.
D. 65.

[单项选择]Together （）of Alaska fur seals swim down the Pacific Coast of North America.
A. mothers and the young
B. fathers and the young
C. parents and the young
D. seals and whales

[单项选择]I have bought two ball-pens，______ writes well．
A. none of them
B. neither of them
C. neither of which
D. none of which

[单项选择]Compound microscopes have two separate lenses or sets of lenses.


A. split
B. equal
C. detachable
D. distinct

[单项选择]Viruses usually have two phases to their execution, the infection phase and the (75) phase. The later phase is optional, since stone viruses simply reproduce.
A. reproduce
B. proliferation
C. defend
D. attack